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Finally... => Life Advice => Topic started by: woose1 on March 26, 2009, 07:58:34 pm

Title: Multiplying Radicals - A complete course in Algebra!
Post by: woose1 on March 26, 2009, 07:58:34 pm
Hiya!
Just came back to this math thingy, and I completely forgot how to do it.
also, my keyboard sucks, so I will be forced to type this problem out. please bear with me.

Four rad five times three rad three would equal twelve rad fifteen, correct?
Thank you, math gurus.
Title: Re: Multiplying Radicals - A complete course in Algebra!
Post by: mainiac on March 26, 2009, 08:48:49 pm
Hiya!
Just came back to this math thingy, and I completely forgot how to do it.
also, my keyboard sucks, so I will be forced to type this problem out. please bear with me.

Four rad five times three rad three would equal twelve rad fifteen, correct?
Thank you, math gurus.

Are you trying to say this?

(http://theamazingjex.googlepages.com/Picture1.png)

If so, no.

4^(1/5)*3^(1/3) (http://www.google.com/search?hl=en&safe=off&client=firefox-a&rls=org.mozilla%3Aen-US%3Aofficial&hs=iqg&q=4^(1%2F5)*3^(1%2F3)&btnG=Search) is not equal to 12^(1/15) (http://www.google.com/search?q=12^(1%2F15)&ie=utf-8&oe=utf-8&aq=t&rls=org.mozilla:en-US:official&client=firefox-a)
Title: Re: Multiplying Radicals - A complete course in Algebra!
Post by: Vaiolis on March 26, 2009, 09:36:06 pm
No no, I believe he's saying 4*sqrt(5), not 4^(1/5). And the same for 3. So yes, your answer of 12*sqrt(15) is correct.
Title: Re: Multiplying Radicals - A complete course in Algebra!
Post by: woose1 on March 27, 2009, 02:46:44 pm
Ok, thank you.
And yes, I was doing what mainiac said. Thanks.